Prognostic Meteorological Discussion
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3
000
FXUS01 KWBC 262014
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
413 PM EDT MON SEP 26 2016

VALID 00Z TUE SEP 27 2016 - 00Z THU SEP 29 2016

...COLD FRONT MOVES TO THE EAST COAST WITH SHOWERS AND STORMS...

A FRONT EXTENDING FROM THE LOWER GREAT LAKES ROUGHLY SOUTHWESTWARD
TO THE WESTERN GULF COAST WILL SLOWLY MOVE EASTWARD OFF THE
NORTHEAST COAST WHILE LINGERING OVER THE SOUTHERN MID-ATLANTIC
ACROSS PARTS OF THE SOUTHEAST BY WEDNESDAY.  THE SYSTEM WILL
PRODUCE RAIN OVER PARTS OF THE GREAT LAKES INTO THE UPPER
MISSISSIPPI VALLEY AND INTO THE CENTRAL APPALACHIANS THAT WILL
SLOWLY MOVE OFF THE NORTHEAST COAST BY WEDNESDAY.  THE RAIN OVER
THE UPPER MISSISSIPPI VALLEY/GREAT LAKES WILL REMAIN OVER THE AREA
THROUGH TUESDAY EVENING. THE RAIN WILL ENDING OVER THE UPPER
MISSISSIPPI VALLEY BY OVERNIGHT TUESDAY, WHILE MOVING INTO PARTS
OF THE OHIO VALLEY.  IN ADDITION, SHOWERS AND THUNDERSTORMS WILL
DEVELOP ALONG AND AHEAD OF THE BOUNDARY FROM PARTS OF THE EASTERN
OHIO VALLEY TO THE LOWER MISSISSIPPI VALLEY/WESTERN GULF COAST
THAT WILL MOVE EASTWARD TO THE SOUTHERN MID-ATLANTIC TO THE
CENTRAL GULF COAST AS WELL AS LINGER OVER PARTS OF THE WESTERN
GULF COAST BY TUESDAY AFTERNOON.  THE SHOWERS AND THUNDERSTORMS
WILL CONTINUE OVER THE SOUTHERN MID-ATLANTIC TO THE
EASTERN/CENTRAL GULF COAST THROUGH WEDNESDAY.

MEANWHILE, UPPER-LEVEL ENERGY OVER THE SOUTHEAST WILL SLOWLY MOVE
EASTWARD OUT OVER THE WESTERN ATLANTIC BY WEDNESDAY.  THE ENERGY
WILL AID IN PRODUCING SHOWERS AND THUNDERSTORMS OVER THE AREA
THROUGH TUESDAY AFTERNOON BEFORE THE APPROACHING FRONT BRINGS MORE
SHOWERS AND THUNDERSTORMS.  ADDITIONALLY, AN UPPER-LEVEL LOW OVER
NORTHWESTERN MEXICO WILL MOVE SLOWLY NORTHWARD INTO PARTS OF THE
SOUTHWEST/EASTERN CALIFORNIA BY WEDNESDAY.  THE ENERGY WILL
PRODUCE SHOWERS AND THUNDERSTORMS OVER PARTS OF THE SOUTHWEST THAT
WILL EXPAND INTO PARTS OF EASTERN CALIFORNIA BY TUESDAY AFTERNOON
INTO WEDNESDAY.

ELSEWHERE, A FRONT MOVING ONSHORE OVER THE PACIFIC NORTHWEST WILL
MOVE INLAND TO PARTS OF THE NORTHERN HIGH PLAINS BY WEDNESDAY.
THE SYSTEM WILL PRODUCE LIGHT RAIN OVER PARTS OF THE PACIFIC
NORTHWEST COAST BEFORE THE MOISTURE CONNECTION TO THE PACIFIC ENDS
BY TUESDAY MORNING INTO AFTERNOON.

ZIEGENFELDER

GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_WBG.PHP
$$





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.